/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.erban.pulltorefresh.internal;

import android.annotation.TargetApi;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.view.View;

@SuppressWarnings("deprecation")
public final class ViewCompat {

    public static void postOnAnimation(View view, Runnable runnable) {
        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
            SDK16.postOnAnimation(view, runnable);
        } else {
            view.postDelayed(runnable, 16);
        }
    }

    public static void setBackground(View view, Drawable background) {
        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
            SDK16.setBackground(view, background);
        } else {
            view.setBackgroundDrawable(background);
        }
    }

    public static void setLayerType(View view, int layerType) {
        setLayerType(view, layerType, null);
    }

    /**
     * <b>Caution: </b> 若在 onDraw() 内设置阴影效果，部分机型会引发递归调用 onDraw()
     */
    public static final void setLayerType(View view, int layerType, Paint paint) {
        if (VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB) {
            SDK11.setLayerType(view, layerType, paint);
        }
    }

    @TargetApi(11)
    static final class SDK11 {

        public static void setLayerType(View view, int layerType, Paint paint) {
            view.setLayerType(layerType, paint);
        }

    }

    @TargetApi(16)
    static final class SDK16 {

        public static void postOnAnimation(View view, Runnable runnable) {
            view.postOnAnimation(runnable);
        }

        public static void setBackground(View view, Drawable background) {
            view.setBackground(background);
        }

    }

}
